Closure operator



Aug. 23, 1932. Y LK Y 1,873,381

CLOSURE OPERATOR Filed April 2, 1931 UNITE AT K NT C S;

Patented Aug. 23, 1932 EARL Y. GILKEY, OF EAST. SYRACUSE, NEW YORK CLOSURE-OPERATOR Y Application filed April 2,1931. Serial No. 527,298.

The present invention relates to window constructions, particularlyto the type of window Comprising essentially a frame and sash and in which the sash is mounted for swinging movement relatively to the frame in moving from closed to open position and with facility and, if desired, from areinote point.

In accordance with the invention, the win-- dow sash is provided with locking means adapted to engage the frame when the window is in closed position, to secure the same in such position, and connected to this locking means and alsooperatively associated with the sash and frame is a flexible element, such as a cord or chain, which extends to a point within reach ofanoperator. When thisflexible element is placed under tension,

thelocking means is first released,and, upon continuation of the tension, the flexible elef ment is caused to act on the sash in such-- manner as to initiate its opening movementc Preferably the sash is so designechand constructed and so mounted'upon the frame that, after being unlocked and partially opened, it moves into fullyopened position desired also,the sash manipulating mechamsm may be so deslgned as to render it useful'in closing the sash as well as opening the same. The flexible element may be of such length as to extend to a point remote from the window so that the window maybe opened and closed without necessitating the presence of an operator near the same. This is particularly desirable wherethe windows are elevatedsuch distance above the floor'of' a building structure as to be comparatively inaccessible.

The invention may be adapted to various types of windowsof the general class in which the sash swings outwardly in its opening movement rather than moves or slides inthe plane of the frame, and it will be understood that that form of the invention herein described indetailand illustrated in the accompanying drawing is set forth by way of example only. l

Inthe drawing: 7 V l Figure -1 is a vertical transverse section through a window frame and sash embody in the invention; a i

TigureYQ is a partial side elevation of the window, showing the sash operating mechamsm; c i

Figure 3 is a sectionon line83 of Fig ure 2; i

Figure 4 is a section on line 1-4 of Figure 8; c i V [Figure'5 is a section on line 5'5 of Figure 4; and I lligure 6 is a section online ure 2. 1

In the drawingl have illustrated ametallic window, the members of the frame and sash being fabricated of structural steel members of well-known type, butitlwill be understood that the invention is in no wise limited to ar'window construction formed of any definite materials or in any specific manner. Inthe window shown the frame is generallyindicated atlO and the sash at 11. vVhenseated in the frame, the sash makes double contact with the frame entirely around its periphery in order to more-effectively resist the passage of air, moisture etc, by itself, under the influence ofgravlty; If

which is an expedient well-known'in the art; The vertical sash contacting members of the frame are provided with guides for sliding blocks, one of which is indicated. at 12,- and to these blocks the upper edge of'the sash is pivotally connected, as by pivots l5.

Links 12%, positioned at the sides of thesash, are pivotally connectedat their lower ends to, the frame by "pivot pins 15 and at their upper ends to the oppositesides of thesash by pivots, one 'of which is indicated at 16. In the opening and closing movements of the sash the. blocks ,12are constrainedto" move vertically in the guideways'formed in the frame, and hence the window must neces sarily swing about the axis defined by pivots 1 3; The links14 cause the lower edge of the 7 when the window is fully opened, it occupies some position such as that shown in dotted lines in Figure l of the drawing.

In the case of the window sash shown,

opening movementis completed solely by the pull of the operator upon the cord, but, if desired, the parts may be so arranged that the final opening movement is completed by gravity. The sash may be limited in its opening movement either by suitable stops for the slide blocks 12,{chains-, or other stopv means, or by the action of links 14:, it being apparent that these links themselves must points near the top thereof,'and the spring 23 'is received within this generally cylindrical portion of the sash, the upper end of the. spring seating against shoulders 25'of the shell and the bottom of the spring resting on the latch bolt, the latch bolt being provided with a rectangular aperture in which the spring is received. The spring is normally under compression and tends to throw;

the latchbolt downwardly. To the upper 2e end of the latch bolt is secured a hook 26.

In Figure 1 the's'ash is shown, in fulllines, in its closed position with the lower end of the latch bolt positioned behind a member secured to the window frame so that, in order to release the sashso'that it may be moved to its, open position, it is necessary tolift the latch bolt to disengage the frame memher. The lower end of the latch bolt is in clinedso that, when the sash-is closed, this inclined edge may act as a cam surface, enabling. the latch bolt to ride over the frame member with which it cooperates. Once over the frame member, it drops immediately into locking position, beingrapidly projected by the spring 23. cord, chain, or other flexible element is indicated at 27, and this flexible element has one end connected to the hook 26 and is guided by rollers so that it normally occupies the position shown in the drawing.

. Secured to the frame member immediately below the position which the latch occupieswhen the'sash is'in closed position is a bracket, indicated at 28, upon which are rotatably mounted, respectively, a pair of guide rollers 29, 29, hereinafter designated 7 the first guide, and another pair of guide rollers 30, 30, these pairs of guide rollers.

being laterally spaced as shown in Figures, 2 and 6. Secured to the top of the sash and above the latch is a second bracket, indicated at 31, in which is rotatably supported a guide I. roller 32. A third guide roller is indicated at 33, this guide roller being rotatably supported at its ends in spaced bracket members 34 mounted on the sash. Bracket members 34: are provided with flanges 34 which lie flat against flanges 21 of the latch body 21.=

By means of tWo screw, boltstherefor, the

latch body and both bracket members are secured to the lower sash member- It will be observed thata straight line connecting guide 29 and guide 32 passes between the latch and the third guide roller 33. The flexible ele- I V ment 27 thereof, which passes over all three of these guide rollers, when placed under tension, will tend to draw the third guide roller33 into a position on a line intermediate the flrst andsecond guides.

In the operation of the device, and assum ing that the operator exerts a ull on the flexible element, for instance at t e point 35,

the latch bolt 22 is first lifted so as to relealse the frame member, thus unlocking the sash.

If the pull is continued, the. lower end of the sash is moved outwardly the action of the flexible element on roller 33, until roller 33 has been pulled into, a position on a line connecting the first and second guides 29 and 32, respectively. When in this posi-" tion, the lower'sashlmember has beenlaterally displaced from its closed position above the associated frame memberand the links 14 tilted outwardly sothat the-sash is free. to swing downwardly somewhat in itsopen-f' The pull upon flexible ele l ing' movement. p I v ment 27 ma be continued, if the sa sh itself is frictional y retarded or is not so mounted.

as to lower itself .by-gravity, so as to exert a continual downward pull uponthe upper guide roller 32 andeventually bring the sash into the dotted-line position, Figure, 1'. The.

flexible element may then be released, and i the window will remain in this position.

T It will be observed that the, flexible-element 27 is looped beneath the" guide roller 29, and its return reach passes upwardly and over guide roller 30, the end of' this reachbeing secured to the. sash. Assuming the attendant to exert a downward pull at40,l

therefore, it will be apparent that the force applied by the flexible element to the lower edge of the sash will ten'd- 'to drawi this edge toward the frame. If the pull is continued,', the sash will be returned to its closedposi-f tion, the latchlholtriding over the lower edge of the frame and being snapped into:

locking position by spring-23. By the means disclosed, therefore, the sash may be'both opened and closed."

In adapting the invention to .windowsIof various types, the design and arrangement of,

its various component elements may be con siderably varied, as will be apparent to one skilled inthe art. 7 i 1 Having thus described the invention, what when the sash is closed, a second guide mount- 7 ed on the sash adjacent the top thereof, a third guide mounted on the sash adjacent the latch and having its guide surface displaced laterally from aline connecting the first and second guides and on the opposite side of such line from the latch, and a flexible element connected to the latch and pass- 7 ing successively over the second, third, and first mentioned guides, said element, when placed under tension, releasing the latch and exerting a thrust on the third guide which I tends to move the third guide to a position on the line connecting the first and second guides, thereby partially opening the sash. In testimony whereof I hereunto afiix my signature.

EARL Y. GILKEY. 

